Current Review Phenolic Compounds as Regulators of Gene Expression in Plant-Microbe Interactions. N. K. Peters. The Ohio State Biotechnology Center and the Departments of Agronomy Ohio State University, Columbus 43210 U.S.A. D. P. S. Verma(2). The Ohio State Biotechnology Center and the Departments of (1)Agronomy and (2)Molecular Genetics, Ohio State University, Columbus 43210 U.S.A. MPMI 3:4-8. Accepted 6 September 1989. Copyright 1990 The American Phytopathological Society.